remcos | 5f356800cd7047bd2266c9d7292396de2ade5c51449a8f51146a1aa3f2cf317f

Analysis

max time kernel
147s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
20-05-2024 08:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Quote List.exe
Size

958KB
MD5

e2c7999f00c70d031a43c537714f7b52
SHA1

66306e6916c8760cbf99fa57431f56d2faf41acf
SHA256

70029840a2c10f707e5b6bee6a48c4c7fb1fc3efe79215d7bb01c5e2967848cb
SHA512

8820e701b0cdd135e295059e3971404513f9895567e91f4988ed8e168feebf6c6e1b781bbe6684496db70272b2e86d18bd69c369ee93c4614bd5a00b8db9b116
SSDEEP

12288:QWET/mr9KL0dPVbYuEfa3cFuX59v1vWePcN9fS0TUo12M+trJHgEyjd2u5Bh:QWtO0J/mgco9Rq9q0QUOHGjs

Score

10^/10

remcos 76364 execution rat

Malware Config

Extracted

Family

remcos

Botnet

76364

103.150.8.12:5689

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-FF0K7G
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

4480 powershell.exe

pid	process
4480	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Quote List.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	Quote List.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Quote List.exe

description pid process target process

PID 1072 set thread context of 1756 1072 Quote List.exe Quote List.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

3712 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4480 powershell.exe
4480 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4480 powershell.exe

description	pid	process	target process
PID 1072 set thread context of 1756	1072	Quote List.exe	Quote List.exe

pid	process
3712	schtasks.exe

pid	process
4480	powershell.exe
4480	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4480	powershell.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

Quote List.exe

description	pid	process	target process
PID 1072 wrote to memory of 4480	1072	Quote List.exe	powershell.exe
PID 1072 wrote to memory of 4480	1072	Quote List.exe	powershell.exe
PID 1072 wrote to memory of 4480	1072	Quote List.exe	powershell.exe
PID 1072 wrote to memory of 3712	1072	Quote List.exe	schtasks.exe
PID 1072 wrote to memory of 3712	1072	Quote List.exe	schtasks.exe
PID 1072 wrote to memory of 3712	1072	Quote List.exe	schtasks.exe
PID 1072 wrote to memory of 1756	1072	Quote List.exe	Quote List.exe
PID 1072 wrote to memory of 1756	1072	Quote List.exe	Quote List.exe
PID 1072 wrote to memory of 1756	1072	Quote List.exe	Quote List.exe
PID 1072 wrote to memory of 1756	1072	Quote List.exe	Quote List.exe
PID 1072 wrote to memory of 1756	1072	Quote List.exe	Quote List.exe
PID 1072 wrote to memory of 1756	1072	Quote List.exe	Quote List.exe
PID 1072 wrote to memory of 1756	1072	Quote List.exe	Quote List.exe
PID 1072 wrote to memory of 1756	1072	Quote List.exe	Quote List.exe
PID 1072 wrote to memory of 1756	1072	Quote List.exe	Quote List.exe
PID 1072 wrote to memory of 1756	1072	Quote List.exe	Quote List.exe
PID 1072 wrote to memory of 1756	1072	Quote List.exe	Quote List.exe
PID 1072 wrote to memory of 1756	1072	Quote List.exe	Quote List.exe

C:\Users\Admin\AppData\Local\Temp\Quote List.exe
"C:\Users\Admin\AppData\Local\Temp\Quote List.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1072
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mINGIl.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4480
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mINGIl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8CCF.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3712
- C:\Users\Admin\AppData\Local\Temp\Quote List.exe
  "C:\Users\Admin\AppData\Local\Temp\Quote List.exe"
  2⤵
  PID:1756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fvibucte.k5x.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8CCF.tmp

Filesize
1KB

MD5
f21f34089bd1c47469533a60ba1002c6

SHA1
fac9eebdd0d6e4232024e1c8a7c4719da8aff03c

SHA256
2eddfc4a775254197d6347fc746569c6a9f9b4de486258b40aef385acde52514

SHA512
cf723015d2ed28a0e5cd02bfc9ddd6640e8f2f64dba8a3f1de9fc0bfb395cc1296b82ce338921bd73fef5b650cdf334443e3220c9518823223ed17fb3e8c456f

Download Submit
memory/1072-5-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/1072-2-0x0000000005520000-0x0000000005AC4000-memory.dmp

Filesize
5.6MB

Download
memory/1072-3-0x0000000004E70000-0x0000000004F02000-memory.dmp

Filesize
584KB

Download
memory/1072-4-0x00000000029F0000-0x00000000029FA000-memory.dmp

Filesize
40KB

Download
memory/1072-39-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/1072-6-0x0000000005450000-0x0000000005472000-memory.dmp

Filesize
136KB

Download
memory/1072-7-0x00000000054C0000-0x00000000054CC000-memory.dmp

Filesize
48KB

Download
memory/1072-8-0x0000000002760000-0x0000000002770000-memory.dmp

Filesize
64KB

Download
memory/1072-9-0x000000000D260000-0x000000000D31E000-memory.dmp

Filesize
760KB

Download
memory/1072-10-0x0000000010A80000-0x0000000010B1C000-memory.dmp

Filesize
624KB

Download
memory/1072-1-0x0000000000480000-0x0000000000576000-memory.dmp

Filesize
984KB

Download
memory/1072-0-0x00000000746FE000-0x00000000746FF000-memory.dmp

Filesize
4KB

Download
memory/1756-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1756-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1756-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1756-81-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1756-80-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1756-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1756-79-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1756-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1756-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1756-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1756-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1756-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1756-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1756-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1756-73-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1756-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1756-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4480-27-0x0000000004FE0000-0x0000000005002000-memory.dmp

Filesize
136KB

Download
memory/4480-48-0x0000000006F30000-0x0000000006F62000-memory.dmp

Filesize
200KB

Download
memory/4480-49-0x0000000074F60000-0x0000000074FAC000-memory.dmp

Filesize
304KB

Download
memory/4480-59-0x0000000006F70000-0x0000000006F8E000-memory.dmp

Filesize
120KB

Download
memory/4480-60-0x0000000006F90000-0x0000000007033000-memory.dmp

Filesize
652KB

Download
memory/4480-61-0x0000000007900000-0x0000000007F7A000-memory.dmp

Filesize
6.5MB

Download
memory/4480-62-0x00000000072C0000-0x00000000072DA000-memory.dmp

Filesize
104KB

Download
memory/4480-63-0x0000000007330000-0x000000000733A000-memory.dmp

Filesize
40KB

Download
memory/4480-64-0x0000000007540000-0x00000000075D6000-memory.dmp

Filesize
600KB

Download
memory/4480-65-0x00000000074C0000-0x00000000074D1000-memory.dmp

Filesize
68KB

Download
memory/4480-66-0x00000000074F0000-0x00000000074FE000-memory.dmp

Filesize
56KB

Download
memory/4480-67-0x0000000007500000-0x0000000007514000-memory.dmp

Filesize
80KB

Download
memory/4480-68-0x0000000007600000-0x000000000761A000-memory.dmp

Filesize
104KB

Download
memory/4480-69-0x00000000075E0000-0x00000000075E8000-memory.dmp

Filesize
32KB

Download
memory/4480-72-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/4480-42-0x0000000006010000-0x000000000605C000-memory.dmp

Filesize
304KB

Download
memory/4480-41-0x0000000005F70000-0x0000000005F8E000-memory.dmp

Filesize
120KB

Download
memory/4480-40-0x0000000005AB0000-0x0000000005E04000-memory.dmp

Filesize
3.3MB

Download
memory/4480-34-0x0000000005940000-0x00000000059A6000-memory.dmp

Filesize
408KB

Download
memory/4480-33-0x00000000050E0000-0x0000000005146000-memory.dmp

Filesize
408KB

Download
memory/4480-19-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/4480-17-0x00000000052A0000-0x00000000058C8000-memory.dmp

Filesize
6.2MB

Download
memory/4480-18-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/4480-15-0x0000000002690000-0x00000000026C6000-memory.dmp

Filesize
216KB

Download